Precision number parsing in spreadsheet using ruby.


over 3 years ago by Rishi Jain on Josh Software - Where Programming is an Art!.
This blog post is not about how to parse spreadsheets using ruby. If you are looking for that, you are not gonna find that here. This blog post is about...

gotchas: require/permitting an array of ids


over 3 years ago by Taryn East on Ruby-coloured glasses.
This one got me the other day... it seems that sometimes the following won't work: params.require(:my_thing).permit(:widget_ids) When the set of ids...

Update


over 3 years ago by Ola Bini on Ola Bini on Java, Lisp, Ruby and AI.
It’s almost a year since my last blog post. I’ve had a busy and interesting year, and wanted to take the time to talk about a few different...

Type-Checking Interface in Ruby


over 3 years ago by Peter Harkins on Push cx.
One of my favorite parts in Sandi Metz’s excellent Practical Object Oriented Design in Ruby is when she describes how to enforce lightweight interfaces...

Type-Checking Protocols in Ruby


over 3 years ago by Peter Harkins on Push cx.
One of my favorite parts in Sandi Metz’s excellent Practical Object Oriented Design in Ruby is when she describes how to enforce lightweight protocols...

The Case for Buying Technical Books


over 3 years ago by Jay Fields on Jay Fields Thoughts.
In the past few months I've seen more than a few articles encouraging programmers to write books. Each article provides at least a bit of good advice, and...

Ruby 1.9.2-p330 Released


over 3 years ago by ruby-lang.org on ruby-lang.org.
We have released 1.9.2-p330, the final release of the 1.9.2 series. Soon after announcing the End of Life for 1.9.2 (and 1.8.7), a critical security regression...

Thoughtful Machine Learning


over 3 years ago by O'Reilly Media, Inc. on O'Reilly Ruby.
Apply a fully test-driven approach to machine-learning algorithms, and save yourself the pain of missing mistakes in your analyses. Just because and analysis...

Floating Point Numbers & Currency Rounding Errors


over 3 years ago by Patrick Bacon on Atomic Spin.
A reminder to those who learned this lesson long ago, and a warning to those that have not learned it for themselves: Don’t use floating point numbers...

Floating Point Numbers & Currency Rounding Errors


over 3 years ago by Patrick Bacon on Atomic Spin.
A reminder to those who learned this lesson long ago, and a warning to those that have not learned it for themselves: Don’t use floating point numbers...